Pacific Spiny-rat vs Silver-backed Needletail

Proechimys decumanus compared with Hirundapus cochinchinensis

Key Differences

• Pacific Spiny-rat is Near Threatened while Silver-backed Needletail is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Silver-backed Needletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Echimyidae	Apodidae
Genus	Proechimys	Hirundapus
Species	Proechimys decumanus	Hirundapus cochinchinensis

Evolutionary Relationship

Pacific Spiny-rat and Silver-backed Needletail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Silver-backed Needletail

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Silver-backed Needletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Silver-backed Needletail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.